seCTIoN 2
2.1 General
The patented PT-7 (Figure -) is a manual torch with a 75° head designed for use with several Plasma Arc Cut-
ting Packages using clean, dry air as the plasma gas. The service line lengths available with the PT-7 torch are
5 feet (7.6 m) and 50 feet (15. m). The PT-7 torch is rated to operate at a maximum of 80 amperes at 100%
duty cycle.
2.2 scope
This manual is intended to provide the operator with all the information required to assemble, operate, and
repair the PT-7 Plasma Arc Cutting Torch. For additional safety precautions, process instructions, and system
troubleshooting; refer to the appropriate instruction manual for your Plasma Arc Cutting Package.
2.3 specifications
Refer to Figure -1, Figure -, and Figure - for specifications.
WARNING
Torch Assembly
service Line
(P/N)
Length
160
5 ft (7.6 m)
161
50 ft (15. m)
1661
5 ft (7.6 m)
166
50 ft (15. m)
The PLAsMA ARC CUTTING PRoCess eMPLoYs hIGh VoLTAGes.
CoNTACT WITh "LIVe" PARTs of The ToRCh AND MAChINe MUsT
Be AVoIDeD. ALso, The IMPRoPeR Use of ANY of The GAses eM-
PLoYeD CAN PReseNT A sAfeTY hAZARD. BefoRe BeGINNING oP-
eRATIoN WITh The PT-27 ToRCh, RefeR To The sAfeTY PReCAU-
TIoNs AND oPeRATING INsTRUCTIoNs IN The APPRoPRIATe PoWeR
soURCe INsTRUCTIoN MANUAL.
UsING The ToRCh oN ANY UNIT NoT eQUIPPeD WITh A MATING
sAfeTY INTeRLoCK CIRCUIT MAY exPose oPeRAToR To UNexPeCT-
eD hIGh VoLTAGe.
Weight
6.9 lbs (.1 kg)
9.6 lbs (4.4 kg)
6.9 lbs (.1 kg)
9.6 lbs (4.4 kg)
equipped with pilot arc terminal studs)
figure 2-1. PT-27 specifications
Pilot Arc Connection Type
PLUG
(for service with older consoles
equipped with pilot arc receptacles)
RING
(for service with current consoles
17
DesCRIPTIoN
Current Capacity
(100% duty)
80 A DCSP